Plate Tectonics Question Preview (ID: 35994)


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How fast do plates move relative to each other?
a) millimeters per day
b) centimeters per year
c) meters per year
d) centimeters per day

Which area is surrounded by the ring of fire?
a) The Atlantic Ocean
b) The United States
c) The Mediterrenean Sea
d) The Pacific Ocean

What causes the magma to rise upward in a mantle plume?
a) The magma is less dense than the surrounding material
b) the magma is denser than the surrounding material
c) The magma is pulled upward by the air pressure
d) The magma is pushed upward by the surrounding rock

Which type of volcanism produces the most lava annually?
a) convergent
b) divergent
c) hot spot
d) cinder cones

Which evidence was not used by Wegener to support his hypothesis of continental drift?
a) coal beds in America
b) fossils of land-dwelling anumals
c) glacial deposits
d) paleomagnetic data

What is the name for the constant production of new ocean floor?
a) continental drift
b) hot spot
c) seafloor spreading
d) subduction

The weight of a subducting plate helps pull the trailing lithosphere into a subduction zone in which process?
a) ridge pull
b) ridge push
c) slab pull
d) slab push

What is stress?
a) speed seismic waves travel
b) point at which rocks fail and generate an earthquake
c) force per unit area
d) measure of the deformation of rocks

What can the difference in travel times between P and S-waves be used to determine?
a) how far away the epicenter was
b) the type of fault
c) the depth of the earthquake
d) whether the core is liquid

Which seismic hazard is a form of structural failure?
a) tsunami
b) pancaking
c) soil liquefaction
d) seismic gap

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